Home / 20,601.76-30,828.72-17,837.92

Finding the Fourth Proportional to 20,601.76, 30,828.72 and 17,837.92

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Solution

The fourth proportional to 20,601.76, 30,828.72 and 17,837.92 is: 26,692.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,601.76 : 30,828.72 = 17,837.92 : x
  2. Step 2: Convert to fraction form
    20,601.76/30,828.72 = 17,837.92/x
  3. Step 3: Cross multiply
    20,601.76x = 30,828.72 × 17,837.92
  4. Step 4: Simplify right side
    20,601.76x = 549,920,241.06
  5. Step 5: Solve for x
    x = 549,920,241.06/20,601.76
  6. Step 6: Final answer
    x = 26,692.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.